Trends in Extraction of Rare Earth Elements from Coal Ashes: A Review
نویسندگان
چکیده
The demand for novel, cost-effective, and environmentally friendly rare earth element yttrium (REY) sources is essential. recovery of REY other valuable components from coal fly ash (CFA) may result in securing alternative resources, decreased disposal costs, environmental protection, all which have positive effects. However, research on the CFA underway, it still necessary to assess its viability an economic standpoint. authors reviewed some most recent advances extracting elements CFA. techniques reported treatment are at laboratory scale. Nevertheless, there several pathways industrial-scale applications. Therefore, extraction products considerable potential reducing both carbon footprint burden.
منابع مشابه
Rare Earth Elements in Soils of Jharia Coal Field
There are many sources trough which the soil get enriched and contaminated with REEs. The determination of REEs in environmental samples has been limited because of the lack of sensitive analytical techniques. Soil samples were collected from four sites including open cast coal mine, natural coal burning, coal washery and control in the coal field located in Dhanbad, India. Total concentrations...
متن کاملCoal fly ash as a resource for rare earth elements
Rare earth elements (REE) have been recognised as critical raw materials, crucial for many clean technologies. As the gap between their global demand and supply increases, the search for their alternative resources becomes more and more important, especially for the countries which depend highly on their import. Coal fly ash (CFA), which when not utilised is considered waste, has been regarded ...
متن کاملOn the Extraction of Rare Earth Elements from Geothermal Brines
The availability of rare earth elements from primary resources has come into question in the last two decades. This has sparked various government and industry initiatives to examine potential rare earth element resources apart from virgin ore bodies. Geothermal fluids are potentially significant sources of valuable minerals and metals, while co-recovery with geothermal energy production would ...
متن کاملEnvironmental Review of Coal Ash as a Resource for Rare Earth and Strategic Elements
Recently, prices of strategic minerals and rare earth elements have been rising dramatically due to global supply shortages and increasing demands. These metals are integral components of advanced technologies, such as, cell-phones, wind turbines, permanent magnets, and semi-conductors. The relative scarcity of these valuable elements has prompted many companies to search for new mineral source...
متن کاملDissolution of Rare Earth Elements from Coal Fly Ash Particles in a Dilute H2SO4 Solvent
Recently, the worldwide supply of rare earth element (REE) resources will be severely restricted. On the other hand, coal fly ash particles emitted from coal-fired electric power plants contain relatively high concentrations of REEs. The contents of REEs in coal fly ash are regularly several hundreds of ppmw. In order to extract and recover REEs from coal fly ash particles, as a first step, we ...
متن کاملذخیره در منابع من
با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید
ژورنال
عنوان ژورنال: Recycling
سال: 2023
ISSN: ['2313-4321']
DOI: https://doi.org/10.3390/recycling8010017